问题

What the doctors really doubt is ____my mother will recover from the serious disease soon .

A:when
B:if
C:whether
D:what;

正确答案是：

同类题型

I will go to Australia for vacation.—_______ .

What’s your __________ of going to the countryside this weekend—To visit my grandparents.

It’s everyone’s duty to join the Clean Your Plate Campaign.—Sure. We should try to _______all the food that we’ve ordered.

He coughed day and night．His wife asked him smoking．

You are a little _____. You have to eat less food and take more exercise.